| 31. | All-metal gate valves are typically used in ultra-high vacuum chambers to isolate regions of the chamber.
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| 32. | To produce an absolute pressure sensor the manufacturer will seal a high vacuum behind the sensing diaphragm.
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| 33. | By 1912, how vacuum tubes worked was understood, and the advantages of high vacuum tubes was appreciated.
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| 34. | If the capsule had been completely depressurised to a high vacuum, the accident would not have occurred.
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| 35. | Systems that operate under high vacuum, such as electron microscopes, require electrical connections through the pressure vessel.
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| 36. | She also designed and built peripheral components for a variable temperature, ultra-high vacuum scanning tunneling microscopy system.
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| 37. | The oxide is reduced to metal by heating with lanthanum, aluminium, cerium or zirconium in high vacuum.
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| 38. | Rotary lobe blowers, commonly called boosters in high vacuum application, are not used as a stand-alone pump.
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| 39. | EBM manufactures parts by melting metal powder layer by layer with an electron beam in a high vacuum.
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| 40. | In ultra high vacuum systems, some very " odd " leakage paths and outgassing sources must be considered.
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